设置紧急呼叫：发送BD到定位器，绑定号码为紧急呼叫号码。连按两次开机键，定位器会呼叫紧急呼叫号码。

Set SOS call number: send BD to locator, the sender is set as emergency number, when push SOS button twice, locator will call that number.

youdao

设置紧急呼叫：发送BD到定位器，绑定号码为紧急呼叫号码。连按两次开机键，定位器会呼叫紧急呼叫号码。

Set SOS call number: send BD to locator, the sender is set as emergency number, when push SOS button twice, locator will call that number.

youdao